<link rel="STYLESHEET" type="text/css" href="${ctx}/dhtmlx/dhtmlxtree.css" />
<script src="${ctx}/static/dhtmlx/dhtmlxcommon.js"></script>
<script src="${ctx}/static/dhtmlx/dhtmlxtree.js"></script>
<script src="${ctx}/static/dhtmlx/ext/dhtmlxtree_start.js"></script>